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gdbstub: Add helper function to unregister GDB register space

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Add common function to help unregister the GDB register space. This shall be
done in context to the CPU unrealization.

Note: These are common functions exported to arch specific code. For example,
for ARM this code is being referred in associated arch specific patch-set:

Link: https://lore.kernel.org/qemu-devel/20230926103654.34424-1-salil.mehta@huawei.com/

Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Tested-by: Xianglai Li <lixianglai@loongson.cn>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Tested-by: Zhao Liu <zhao1.liu@intel.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20240716111502.202344-8-salil.mehta@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Salil Mehta 2024-07-16 12:15:02 +01:00 • committed by Michael S. Tsirkin
parent 24bec42f3d
commit 242da18082
3 changed files with 23 additions and 1 deletions
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13
gdbstub/gdbstub.c
View file

@ -618,6 +618,19 @@ void gdb_register_coprocessor(CPUState *cpu,
}
}
void gdb_unregister_coprocessor_all(CPUState *cpu)
{
/*
* Safe to nuke everything. GDBRegisterState::xml is static const char so
* it won't be freed
*/
g_array_free(cpu->gdb_regs, true);
cpu->gdb_regs = NULL;
cpu->gdb_num_regs = 0;
cpu->gdb_num_g_regs = 0;
}
static void gdb_process_breakpoint_remove_all(GDBProcess *p)
{
CPUState *cpu = gdb_get_first_cpu_in_process(p);